Question

The following table gives the result of certain examination for 180 students.
a) Find the value of x
b) Draw histogram
Marks 0-10 10-20 20-30 30-40
No of students
40
80
2x
Take scale On X axis = 2cm = 10 marks
On Y axis = 1 cm = 5 students.​

Answer 1

Answer:

open a notebook page 20